001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Florent Guillaume 016 */ 017package org.nuxeo.ecm.platform.ui.web.component.file; 018 019import org.apache.commons.logging.Log; 020import org.apache.commons.logging.LogFactory; 021import org.nuxeo.common.xmap.annotation.XNode; 022import org.nuxeo.common.xmap.annotation.XObject; 023 024/** 025 * Descriptor for a JSF blob uploader. 026 */ 027@XObject("uploader") 028public class JSFBlobUploaderDescriptor implements Comparable<JSFBlobUploaderDescriptor> { 029 030 private static final Log log = LogFactory.getLog(JSFBlobUploaderDescriptor.class); 031 032 @XNode("@id") 033 public String id; 034 035 @XNode("@order") 036 public Integer order; 037 038 protected int getOrder() { 039 return order == null ? 0 : order.intValue(); 040 } 041 042 @Override 043 public int compareTo(JSFBlobUploaderDescriptor other) { 044 return getOrder() - other.getOrder(); 045 } 046 047 @XNode("@class") 048 public Class<JSFBlobUploader> klass; 049 050 private transient JSFBlobUploader instance; 051 052 public JSFBlobUploader getJSFBlobUploader() { 053 if (instance != null) { 054 return instance; 055 } 056 if (klass == null) { 057 return null; 058 } 059 try { 060 instance = klass.newInstance(); 061 return instance; 062 } catch (ReflectiveOperationException e) { 063 throw new RuntimeException("Cannot instantiate class: " + klass, e); 064 } catch (IllegalStateException e) { 065 log.error("Cannot instantiate " + klass.getName() + ", " + e.getMessage()); 066 log.debug(e, e); 067 return null; 068 } 069 } 070 071 /** Default constructor. */ 072 public JSFBlobUploaderDescriptor() { 073 } 074 075 /** Copy constructor. */ 076 public JSFBlobUploaderDescriptor(JSFBlobUploaderDescriptor other) { 077 id = other.id; 078 order = other.order; 079 klass = other.klass; 080 } 081 082 public void merge(JSFBlobUploaderDescriptor other) { 083 if (other.id != null) { 084 id = other.id; 085 } 086 if (other.order != null) { 087 order = other.order; 088 } 089 if (other.klass != null) { 090 klass = other.klass; 091 } 092 } 093 094}